{"product_id":"john-deere-cylinder-head-screw-1-2-x-6-378-r534287","title":"John Deere Cylinder Head Screw, 1\/2\" X 6.378\" - R534287","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure Cylinder Head Fastening\u003c\/strong\u003e — precisely clamps the cylinder head to the engine block to maintain proper gasket compression and a reliable seal during operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Steel Construction\u003c\/strong\u003e — engineered from high‑strength steel to endure high engine loads and elevated temperatures typical in agricultural and heavy‑duty equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Finish\u003c\/strong\u003e — phosphate and oil coating provides corrosion protection while supporting smooth installation in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision UNC Thread Design\u003c\/strong\u003e — 1\/2\" thread size with UNC2A specification delivers strong, consistent engagement across service intervals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM John Deere Quality\u003c\/strong\u003e — manufactured to original equipment specifications for dependable fitment and long‑term performance in John Deere engines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for Replacements and Rebuilds\u003c\/strong\u003e — designed for replacing worn or damaged cylinder head bolts and during engine rebuilds to preserve head‑to‑block sealing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Cylinder Head Screw\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e John Deere\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e R534287\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.378\"\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e UNC2A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Hex washer head\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Heavy‑duty engine fastener used to secure the cylinder head to the engine block in compatible John Deere engines\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe John Deere R534287 Cylinder Head Screw is used across a variety of John Deere agricultural tractors equipped with compatible engine assemblies.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e5E Series\u003c\/strong\u003e — 5085E, 5100E\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e5M Series\u003c\/strong\u003e — 5085M, 5100M, 5115M, 5100MH, 5100ML, 5115ML\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e6M Series\u003c\/strong\u003e — 6095M, 6105M, 6110M, 6120M, 6130M, 6135M, 6140M, 6145M, 6155M, 6175M, 6195M\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e6R Series\u003c\/strong\u003e — 6120R, 6130R, 6135R, 6145R, 6155R, 6175R, 6195R, 6215R, 6230R, 6250R\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e7M \u0026amp; 7R Series\u003c\/strong\u003e — 7M, 2007M, 2157M, 2307200R7215R7230R\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eCompatibility may vary depending on engine configuration and serial number. Always confirm with your equipment parts catalogue before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"John Deere","offers":[{"title":"Default Title","offer_id":45455426683072,"sku":"JD-R534287","price":16.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9190\/9056\/files\/R534287_iso2.jpg?v=1723074697","url":"https:\/\/ripongroundcare.com\/products\/john-deere-cylinder-head-screw-1-2-x-6-378-r534287","provider":"Ripon Ground Care","version":"1.0","type":"link"}